Linear Equations

Use the triangle and Pythagoras' theorem to complete the following:

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a

Complete the equations:

$AC^2=9$`A``C`2=9 $+$+ $\editable{}$

$AC^2$`A``C`2 $=$= $\editable{}$

b

Hence find the length of $AC$`A``C` in simplest surd form.

Easy

Approx 2 minutes

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